![[Deprecated]](figures/lifecycle-deprecated.svg)
Compute initial estimates for EN S-estimates using ENPY.
Superseded by enpy_initial_estimates().
enpy(x, y, alpha, lambda, delta, cc, options, en_options)Arguments
- x
data matrix with predictors.
- y
response vector.
- alpha, lambda
EN penalty parameters (NOT adjusted for the number of observations in
x).- delta
desired breakdown point of the resulting estimator.
- cc
tuning constant for the S-estimator. Default is to chosen based on the breakdown point
delta. Should never have to be changed.- options
ignored. Additional options for the initial estimator.
- en_options
ignored. Additional options for the EN algorithm.
Value
- coeff
A numeric matrix with one initial coefficient per column
- objF
A vector of values of the objective function for the respective coefficient
Warning
Do not use this function in new code. It may be removed from future versions of the package.
See also
Other deprecated functions:
deprecated_en_options,
initest_options(),
mstep_options(),
pense_options(),
pensem()